<?php
/**
 * Smarty shared plugin
 *
 * @package Smarty
 * @subpackage PluginsShared
 */
if (! function_exists ( 'smarty_mb_str_replace' )) {
	
	/**
	 * Multibyte string replace
	 *
	 * @param $search string
	 *       	 the string to be searched
	 * @param $replace string
	 *       	 the replacement string
	 * @param $subject string
	 *       	 the source string
	 * @param
	 *       	 int &$count number of matches found
	 * @return string replaced string
	 * @author Rodney Rehm
	 */
	function smarty_mb_str_replace($search, $replace, $subject, &$count = 0) {
		if (! is_array ( $search ) && is_array ( $replace )) {
			return false;
		}
		if (is_array ( $subject )) {
			// call mb_replace for each single string in $subject
			foreach ( $subject as &$string ) {
				$string = &smarty_mb_str_replace ( $search, $replace, $string, $c );
				$count += $c;
			}
		} elseif (is_array ( $search )) {
			if (! is_array ( $replace )) {
				foreach ( $search as &$string ) {
					$subject = smarty_mb_str_replace ( $string, $replace, $subject, $c );
					$count += $c;
				}
			} else {
				$n = max ( count ( $search ), count ( $replace ) );
				while ( $n -- ) {
					$subject = smarty_mb_str_replace ( current ( $search ), current ( $replace ), $subject, $c );
					$count += $c;
					next ( $search );
					next ( $replace );
				}
			}
		} else {
			$parts = mb_split ( preg_quote ( $search ), $subject );
			$count = count ( $parts ) - 1;
			$subject = implode ( $replace, $parts );
		}
		return $subject;
	}

}
?>